new gst rate for hsn 4011 and 4013

As per discussions in the 23rd GST Council Meeting held on 10th November, 2017

4011-New pneumatic tyres, of rubber [other than of a kind used on/in bicycles, cycle-rickshaws and three wheeled powered cycle rickshaws; and Rear Tractor tyres; and of a kind used on aircraft]- 28%

4013-Inner tubes of rubber [other than of a kind used on/in bicycles, cycle-rickshaws and three wheeled powered cycle rickshaws; and Rear Tractor tyre tubes]- 18%

i am proprietor of a tyres trading firm, company informed me that 4011 i.e. motorcycle tyres and 4013 i.e. motorcycle tube now wille be charged at 18% GST rate instead of 28% as previously charged.